CW605N

DESCRIPTION

CW605N: A ductile alloy with good machinability as well as bending and cold heading properties. Suitable for bicycle spoke nipples.

CHEMICAL COMPOSITION

Elements Min (%) Max (%)
Cu 61.00 62.00
Pb 0.80 1.60
Fe - 0.20
Sn - 0.20
Ni - 0.30
Al - 0.05
Total Others - 0.50
Zn Remainder

MECHANICAL PROPERTIES ACCORDING TO IS 319 GR III (AS PER TEMPER HB)

Range (mm) From To UTS Min (MPa) PS Min (MPa) Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 1.5 75 340 160 25 90 140
Hex (A/F) 3 70 340 160 25 90 140
Square (A/F) 3 60 340 160 25 90 140
PHYSICAL PROPERTIES
Density 8.46 g/cm3
Melting Point 910°C
Specific heat cap at 20˚C 0.377 (kj/kgK)
Electrical conductivity 14.7 (MS/m)
Modulus of Elasticity in (GPa) 105 (GPa)
Coef of therm exp at 20˚C 20.4 (10-6 /K)
Thermal Conductivity 116 W/m.K
FABRICATION PROPERTIES 
Technique Suitability
Machinability (CuZn39Pb3 = 100 %) 80%
Capacity for being cold worked poor
Capacity for being hot worked Fair
Suitability for soldering Excellent
Suitability for Brazing Good

TYPICAL USES

  • Precision Components Machining with Riveting operation.